William John Mac·quorn [muh-kwawrn] /məˈkwɔrn/, 1820–70, Scottish engineer and physicist.


Thermodynamics. pertaining to an absolute temperature scale (Rankine scale) in which the degree intervals are equal to those of the Fahrenheit scale and in which 0° Rankine equals −459.7° Fahrenheit.Compare absolute temperature scale, Kelvin(defs 2, 3).

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